| Chthoniidae Daday, 1888 (Family) |
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| Chthonius C. L. Koch, 1843 (Genus) |
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| Chthonius halberti Kew, 1916 (Species) |
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| Chthonius ischnocheles (Hermann, 1804) (Species) |
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| Chthonius kewi Gabbutt, 1966 (Species) |
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| Chthonius orthodactylus (Leach, 1817) (Species) |
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| Chthonius rayi L. Koch, 1873 (Species) |
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| Chthonius subterraneus meuseli Beier, 1939 (Species) |
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| Chthonius tenuichelatus Hadzi, 1937 (Species) |
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| Chthonius tenuis L. Koch, 1873 (Species) |
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| Chthonius tetrachelatus (Preyssler, 1790) (Species) |
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| Chthonius trombidioides (Latreille, 1804) (Species) |
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